82561456

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{31657}}^1$

素因数の和:31828

約数の個数: 20

約数和(自身を含む): 160949272

約数和(自身を除く): 78387816

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 31657, 63314, 126628, 253256, 506512, 5160091, 10320182, 20640364, 41280728, 82561456]

約数ペア:

[(1, 82561456), (2, 41280728), (4, 20640364), (8, 10320182), (16, 5160091), (163, 506512), (326, 253256), (652, 126628), (1304, 63314), (2608, 31657)]